Optimage - Advanced image optimization tool
digiKam - Professional Photo Management with the Power of Open Source
Piio - Generates responsive images so you don't have to optimize
Photos on macOS - Photos keeps your images organized and accessible. Rediscover favorite shots with Memories. Access them on your devices with iCloud Photos.
EOS Fitness - EOS Fitness is a dynamic platform that provides the best solution for peoples’ mental and physical health.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!